Mode of delivery among nulliparous women with single, cephalic, term pregnancies: The WHO global survey on maternal and perinatal health, 2004-2008

Abstract

OBJECTIVE: To determine risk factors associated with cesarean delivery among nulliparous women in spontaneous labor with a single, cephalic, term pregnancy (Robson group 1). METHODS: Data were assessed from the WHO Global Survey of Maternal and Perinatal Health conducted in 2004-2008. RESULTS: Among 82 280 women in Robson group 1, 67 698 (82.3%) had vaginal and 14 578 (17.7%) had cesarean delivery. In adjusted analyses, maternal factors associated with cesarean included age older than 18 years, being overweight or obese, being married or cohabitating, attending four prenatal visits or more, and being medically high risk (P<0.001). Women who were obstetrically high risk, referred during labor..